<template>
  <div class="reports-container" separator-class="el-icon-arrow-right">
    <el-breadcrumb>
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <div id="main" style="width: 600px; height: 400px;"></div>
    </el-card>
  </div>
</template>

<script>
import { getOption } from '@/api/reportsApi.js'
import * as echarts from 'echarts'
import _ from 'lodash'
export default {
  name: 'myTemplate',
  data () {
    return {
      ecahrtsData: {},
      options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
    }
  },
  methods: {
    async initOption () {
      const { data: res } = await getOption()
      const ot = _.merge(res.data, this.options)
      this.draw(ot)
    },
    draw (option) {
      // eslint-disable-next-line no-var
      console.log(option)
      const myChart = echarts.init(document.getElementById('main'))
      myChart.setOption(option)
    }
  },
  mounted () {
    this.initOption()
  }
}
</script>

<style lang="less" scoped>
#draw-area {
  width: 800px;
  height: 600px;
}
</style>
